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Help CenterJIS F7312 Cast Steel Globe Valve DN25-DN300 10K/16K Flanged Type Rising Stem Marine Duty
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Shanghai Zhibang Valve Manufacture Co., Ltd is proud to present the JIS F7312 Cast Steel Globe Valve — a premium solution designed for demanding marine and industrial applications. Manufactured to the stringent Japanese Industrial Standard (JIS F7312), this flanged-type globe valve features a rising stem mechanism that provides clear visual indication of valve position, ensuring reliable flow control in critical piping systems. With a broad size range from DN25 to DN300 and dual pressure ratings of 10K and 16K, our valve offers flexibility for various pressure requirements while maintaining exceptional durability and leak-tight performance.
As a trusted manufacturer established in 2016, we combine advanced casting technology with rigorous quality control to deliver valves that meet the highest standards of safety and longevity. Each valve undergoes thorough inspection to guarantee compliance with ISO9001 quality management systems, giving you confidence in every installation. Whether you need to regulate steam, water, oil, or gas in marine vessels, offshore platforms, or industrial plants, this globe valve is engineered to excel.
Product Features & Technical Specifications
- Rising Stem Design: The stem rises as the valve opens, providing a direct visual indication of the open/closed status — essential for safety-critical marine environments.
- Cast Steel Body: Manufactured from high-quality cast steel (typically WCB or equivalent), offering excellent strength and resistance to thermal and mechanical stress.
- Flanged Ends: Conforms to JIS B2220 flange standard, ensuring easy installation and compatibility with existing piping systems.
- Dual Pressure Ratings: Available in 10K (approximately 1.0 MPa) and 16K (approximately 1.6 MPa) classes, covering a wide range of working pressures.
- Size Range DN25 – DN300: Suitable for both small-bore auxiliary lines and large-diameter main pipelines, reducing the need for multiple valve types.
- Marine Duty Application: Corrosion-resistant coating and materials selection optimized for sea water, humidity, and frequent temperature fluctuations.
- Reliable Sealing: Provides positive shut-off with minimal leakage, using hardened seat and disc materials to extend service life.
- Low Maintenance: Simple construction with replaceable packing and easily accessible bonnet, reducing downtime during maintenance.
Technical Parameters (Sample)
| Parameter | Value |
|---|---|
| Standard | JIS F7312 |
| Body Material | Cast Steel (e.g., WCB) |
| Nominal Diameter | DN25 – DN300 (1″ – 12″) |
| Pressure Rating | 10K (1.0 MPa) / 16K (1.6 MPa) |
| Connection | Flanged (JIS B2220) |
| Stem Type | Rising Stem (Outside Screw & Yoke) |
| Bonnet | Bolted Bonnet, Usually Cast Steel |
| Applicable Media | Water, Steam, Oil, Gas, Air (depending on gasket/seat) |
| Temperature Range | -20°C to +425°C (material dependent) |
Our JIS F7312 globe valve is engineered for precision throttling and positive shut-off. The rising stem design not only provides visual position feedback but also reduces the risk of accidental operation. The cast steel body is further protected by an anti-corrosion primer and finish coat, suitable for marine atmospheres. Optional materials such as stainless steel trim, hard-faced seats, and special packing are available upon request for aggressive media or higher temperature requirements.
Why Choose Our JIS F7312 Globe Valve?
- Compliance with JIS F7312: Strict adherence to Japanese industrial standards ensures dimensional consistency and interchangeability.
- Quality Assurance: Manufactured under ISO9001-certified processes, with 100% pressure testing and material verification.
- Versatile Installation: Flanged ends match JIS B2220 bolt patterns, simplifying retrofit or new construction.
- Long Service Life: Robust construction and corrosion-resistant coatings minimize maintenance intervals even in challenging offshore conditions.
- Customization: We offer optional gear operators, limit switches, and different trim materials to suit specific applications.
Trust Shanghai Zhibang Valve – Your Reliable Partner
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd has grown into a global supplier with annual export value reaching US$1 Million – US$1.5 Million. Our main markets span North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, reflecting the wide acceptance of our products. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to any destination. Every JIS F7312 globe valve we produce is backed by our commitment to quality, competitive pricing, and responsive after-sales support. Contact us today for a quotation, technical datasheet, or to discuss your specific valve requirements. Experience the difference of a dedicated manufacturer who stands behind every product.
Frequently Asked Questions
-
What is the difference between 10K and 16K pressure rating?
10K corresponds to a maximum working pressure of approximately 1.0 MPa at ambient temperature, while 16K corresponds to 1.6 MPa. The exact pressure-temperature rating depends on the material and should be verified against the relevant standard. Both are available in this valve model. -
Is the valve suitable for seawater service?
Yes, the valve is designed for marine duty. The standard cast steel body is coated with anti-corrosion paint. For long-term seawater exposure, we recommend optional stainless steel trim or a corrosion-resistant coating. Contact us for specific recommendations. -
Can the valve be used for throttling (flow control)?
Globe valves are inherently suitable for throttling due to their linear stem motion and disc design. However, for severe throttling applications, we suggest using a characterized disc or a control valve. Our standard model is ideal for on-off and moderate throttling duties. -
What is the facing style of the flanges?
The flanges are typically provided with a raised face (RF) according to JIS B2220. Flat face, ring joint, or other facing options are available upon request. -
How do I determine the correct valve size for my system?
Select the nominal diameter (DN) that matches your pipe size. Consider flow rate, pressure drop, and media characteristics. Our technical team can assist with valve sizing calculations based on your operating conditions. -
Does the valve come with a test certificate?
Yes, each valve is supplied with a material certificate and a hydrostatic test certificate. Additional third-party inspection services are available at extra cost. -
Can the stem be sealed with a bellows instead of packing?
Our standard design uses gland packing for the stem seal. Bellows sealed versions are not standard but may be considered for special applications. Please inquire with your requirements. -
What is the lead time for large quantities?
Lead time depends on size, quantity, and current production schedule. Typically, DN25-DN150 valves are available within 15-25 working days. Larger sizes or custom orders may require 30-45 working days. Please contact our sales team for an accurate delivery date.
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